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@article{CMH_1934__7_138628, author = {Otto Brunner}, title = {Weitere {Untersuchungen} \"uber die kubische diophantische {Gleichung} z3 - y2 = {D.}}, journal = {Commentarii mathematici Helvetici}, pages = {67--80}, publisher = {mathdoc}, volume = {7}, year = {1934}, zbl = {0009.39603}, url = {http://geodesic.mathdoc.fr/item/CMH_1934__7_138628/} }
Otto Brunner. Weitere Untersuchungen über die kubische diophantische Gleichung z3 - y2 = D.. Commentarii mathematici Helvetici, Tome 7 (1934), pp. 67-80. http://geodesic.mathdoc.fr/item/CMH_1934__7_138628/